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The evaluation of fecal microbiota transplantation vs vancomycin in a Clostridioides difficile infection model

  • Applied Microbial and Cell Physiology
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Abstract

Vancomycin is the preferred treatment for Clostridioides difficile infection (CDI) but has been associated with a high recurrence rate of CDI in treated patients. Fecal microbiota transplantation (FMT) has emerged as a remarkably successful treatment for recurrent CDI (rCDI). Herein, we present a mouse model of CDI to further define the changes in intestinal inflammation, flora, and metabolites following FMT versus vancomycin treatment and to find the potential therapy to restore colonization resistance. Both FMT and vancomycin treatment could ameliorate CDI-induced clinical features and intestinal tissue damage, with decrease in the levels of inflammatory mediators like IL-1β, IL-6, TNF-α, G-CSF, and MCP-1 in the colon and plasma. Observing the fecal gut microbiome profile revealed that unlike vancomycin, FMT could replenish intestinal microbiota by augmenting the relative abundance of the phylum Bacteroidetes and eliminating the abundance of the phylum Proteobacteria. FMT also reduced the levels of several carbohydrates, such as raffinose and fructose-6-phosphate, and amino acids, including tryptophan and glutamyl-valine, in the gut metabolome, thus suppressing C. difficile germination and growth. Our results suggest that the FMT-induced reconstruction of a specific gut community structure and restoration of metabolites promote the recovery of colonization resistance in mice better than vancomycin, thus offering new insights for the prevention of rCDI.

Key points

Both FMT and vancomycin ameliorate CDI-induced inflammatory response.

FMT restores a specific community structure and gut metabolites.

Mice treated with FMT may promote the recovery of colonization resistance and has a better outcome.

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Data availability

The sequencing data have been uploaded to the NCBI SRA database (PRJNA824271).

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Funding

This study was supported by the National Natural Science Foundation of China (82000491, 82073609, 81800457, 81790631), Natural Science Foundation of Zhejiang Province, China (LQ20H160035), and the National Key Research and Development Program of China (2018YFC2000500).

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Authors and Affiliations

Authors

Contributions

QMX, SMZ, and LJL conceived and designed the experiments. QMX, SMZ, JZQ, ZJW, and SLG conducted the experiments. LJL, YBC, BWZ, and LXL contributed resources for the experiments. QMX and JZQ analyzed the data. QMX and SMZ wrote the paper. All the authors have read and approved the manuscript.

Corresponding author

Correspondence to Lanjuan Li.

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Ethical approval

All applicable international, national, and/or institutional guidelines for the care and use of animals were followed. All experiments were approved by the Animal Care Committee of the First Affiliated Hospital, Zhejiang University (No. 2021–7-2). This article does not contain any studies with human participants performed by any of the authors.

Conflict of interest

The authors declare no competing interests.

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Xu, Q., Zhang, S., Quan, J. et al. The evaluation of fecal microbiota transplantation vs vancomycin in a Clostridioides difficile infection model. Appl Microbiol Biotechnol 106, 6689–6700 (2022). https://doi.org/10.1007/s00253-022-12154-z

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  • DOI: https://doi.org/10.1007/s00253-022-12154-z

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